Kepler-12 Overview

Kepler-12 1.38 R⦿ 6011.00 K
Kepler-12 b
1.754 RJup
Architecture
Kepler-12
Kepler-12
Kepler-12 b
Discovery Data
Host Planet Method Year Reference Disposition
Kepler-12 Kepler-12 b Transit 2011 Fortney et al. 2011 Confirmed Planet
Kepler-12 b
  • Orbital period, transit mid-point, transit duration, Rp/Rs and their errors taken from DR24 KOI table. Planet radius error propagated from stellar radius error in ref. and Rp/Rs error. (Morton et al. 2016)
RA
19h04m58.43s
Dec
+50d02m25.32s
Distance
881.386+9.854-9.643
pc
Parallax
1.105700±0.012454 mas
Ecliptic Latitude
71.53564 deg
Ecliptic Longitude
304.5532 deg
Galactic Latitude
18.40736 deg
Galactic Longitude
80.42341 deg
Total Proper Motion
4.4483512±0.0243575 mas/yr
Proper Motion (RA)
3.0528700±0.0250939 mas/yr
Proper Motion (Dec)
3.2354000±0.0236826 mas/yr
Photometry
mV
13.468±0.217
mTESS
12.9614±0.0067
mJ
12.406±0.026
mH
12.107±0.031
mKs
12.066±0.023
mKep
13.438
mW1
12.051±0.023
mW2
12.079±0.021
mW3
11.882±0.159
mW4
9.116
mGaia
13.359600±0.000213
mB
14.271±0.067
mg
---
mi
---
mr
---
mz
---
Abundances
(Hypatia Catalog)
[Fe/H] 0.05±0.04 dex
[C/H] 0.02±0.09 dex
[O/H] 0.03±0.09 dex
[Na/H] -0.15±0.04 dex
[Mg/H] 0.02±0.07 dex
[Al/H] -0.05±0.06 dex
[Si/H] 0.01±0.05 dex
[Ca/H] 0.11±0.06 dex
[Y/H] 0.18±0.08 dex
Source TICv8 Berger et al. 2018 Gaia DR2 Bonomo et al. 2017 Morton et al. 2016 Esteves et al. 2015 Batalha et al. 2013 Southworth 2012 Fortney et al. 2011 Latham et al. 2005 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table ExoFOP-TESS TOI Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Q1-Q8 KOI Table Q1-Q6 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
5967.000+135.244-140.372
5926±119
6012.000+277.810-269.333
5950±100
6007.000+75.776-62.391
5947±100 6011 5947±100 5947±100 6012 ---
5953 +105-129
5967.0±137.8
5953 +105-123
5953 +105-123
5953.00 +105.00-123.00
6011.00±44.00 6011
R
(R⦿)
1.5696600+0.0794226-0.0857231
1.534+0.067-0.064
1.5223271+0.1461440-0.1315070
1.483+0.025-0.029
1.330+0.269-0.202
1.483+0.025-0.029
1.38
1.490+0.062-0.038
1.483 +0.025-0.029
1.007 ---
1.415 +0.229-0.28
1.569659948349±0.082572800000
1.415 +0.305-0.243
1.415 +0.305-0.243
1.4150 +0.3050-0.2430
1.3800±0.1900 1.38
log g
(log10(cm/s2))
4.0838800+0.0761842-0.0914071
--- --- ---
4.240+0.134-0.137
4.175+0.015-0.011
4.23
4.155+0.018-0.014
4.175 +0.015-0.011
4.47 ---
4.175 +0.168-0.112
4.08±0.08
4.175 +0.14-0.131
4.175 +0.14-0.131
4.175 +0.140-0.131
4.230±0.100 4.23
Metallicity
(dex)
0.050±0.100 [M/H] --- --- 0.070±0.040
0.0600+0.0780-0.0730
[Fe/H]
0.070±0.040 [Fe/H] --- 0.070±0.040 [Fe/H] 0.07±0.04 [Fe/H] -0.161 [Fe/H] --- 0.08±0.15 [Fe/H] ---
0.080 +0.130-0.140
[Fe/H]
0.080 +0.130-0.140
[Fe/H]
0.080 +0.130-0.140
[Fe/H]
--- ---
Age
(Gyr)
--- --- ---
4.00+0.30-0.40
4.79+1.00-1.45
--- ---
5.30+1.50-5.00
4.0 +0.3-0.4
--- --- --- --- --- --- --- 4.01±0.91 ---
ρ
(g/cm3)
0.3973511+0.0898333-0.0935052
--- --- --- --- --- ---
0.4925+0.0090-0.0128
0.499 +0.024-0.011
--- ---
0.50482 +0.00357-0.00068
---
0.50824 +0.00020-0.00050
0.50824 +0.00020-0.00050
0.50824 +0.00020-0.00050
--- ---
M
(M⦿)
1.090000+0.143518-0.137749
--- ---
1.166+0.051-0.054
1.120+0.069-0.046
1.166+0.051-0.054
---
1.157+0.149-0.079
1.166 +0.051-0.054
--- ---
1.093 +0.109-0.089
---
1.093 +0.128-0.091
1.093 +0.128-0.091
1.0930 +0.1280-0.0910
1.1720±0.0610 ---
L
(log10(L⦿))
0.4493310+0.0172482-0.0173989
---
0.43578657+0.01540375-0.01597023
--- --- --- --- --- --- --- --- --- --- --- --- --- --- ---
v sin i
(km/s)
--- --- --- 0.80±0.50 --- --- --- --- 0.8±0.5 --- --- --- --- --- --- --- --- ---
Status
Confirmed Planet
Detected By
Orbital Brightness Modulation, Radial Velocity, Transit
Source Esteves et al. 2015 Kokori et al. 2023 Kokori et al. 2022 GajdoĊĦ et al. 2019 Berger et al. 2018 Bonomo et al. 2017 Holczer et al. 2016 Morton et al. 2016 Southworth 2012 Fortney et al. 2011 Q1-Q17 DR25 Supplemental KOI Table Q1-Q17 DR25 KOI Table ExoFOP-TESS TOI Q1-Q17 DR24 KOI Table Q1-Q16 KOI Table Q1-Q12 KOI Table Q1-Q8 KOI Table Show Candidate Solutions >> << Hide Candidate Solutions
a/R
8.019+0.014-0.013
8.019+0.014-0.013
--- --- --- --- --- ---
8.00897+0.04840-0.06994
--- --- 8.0702±0.0571 --- 8.08834±0.00318 8.08834±0.00318 8.08834±0.00318 8.133±0.064
Teq
(K)
1480±30 --- --- --- --- --- --- --- 1485±25 --- --- 1338 1414.04442350602 1338 1338 1338 1314
b
0.168+0.010-0.012
--- --- --- --- --- --- --- --- 0.174±0.011 ---
0.069 +0.007-0.05
---
0 +0.0139-0
0 +0.0139-0
0 +0.0139-0
0.018±0.1
S
(S)
--- --- --- ---
877.539+27.195-26.259
--- --- --- --- --- ---
757.65 +339.17-311.08
944.872513505406
757.65 +442.92-279.52
757.65 +442.92-279.52
757.65 +442.92-279.52
---
e
--- --- --- --- --- <0.021 --- --- --- <0.01 --- 0 --- 0 0 0 0
i
(deg)
88.796+0.088-0.074
88.80+0.09-0.07
--- --- --- 88.760±0.080 --- ---
89.02+0.25-0.21
88.76±0.08 --- 89.51 --- 89.95 89.95 89.95 89.95
P
(days)
4.4379629±0.0000006 4.43796263±0.00000022 4.4379654±0.0000011 4.4379624971±0.0000001249 --- 4.43796370±0.00000020 4.43796303±0.00000003 4.43796303±1.67e-07 4.4379637±0.0000002 4.4379637±0.0000002 4.437962934±1.71e-07 4.437962934±1.71e-07 4.43797265828439±0.00000957871600 4.43796303±1.67e-07 4.43796303±1.67e-07 4.43796303±1.67e-07 4.43796291±5.8e-07
Rp
(R)
19.66+0.35-0.40
--- --- ---
19.565+0.857-0.812
19.00+0.31-0.36
---
17.13+3.46-2.60
19.12+0.78-0.44
18.999 +0.314-0.359
---
18.05 +2.92-3.57
20.3565336658232±1.0926616000000
18.22 +3.93-3.13
18.22 +3.93-3.13
18.22 +3.93-3.13
17.6±2.5
Rp/R
0.118867+0.000085-0.000094
0.11887±0.00009 --- --- --- --- ---
0.117936 +1.6e-05-2.3e05
--- --- ---
0.116814 +4.4e-05-5.3e05
---
0.117936 +1.6e-05-2.3e05
0.117936 +1.6e-05-2.3e05
0.117936 +1.6e-05-2.3e05
0.11716±8e-05
a
(au)
0.0553+0.0010-0.0012
--- --- --- ---
0.05563+0.00084-0.00085
--- ---
0.0555+0.0022-0.0013
0.0556±0.0007 --- .0545 --- .0545 .0545 .0545 .056
δ
(%)
--- --- --- --- --- --- 1.6736 --- --- 1.3765±0.0020 --- 1.63876±0.00053 1.62225125043494±0.01786808800000 1.67211±0.00052 1.67211±0.00052 1.67211±0.00052 1.64650
T14
(hours)
--- --- --- --- --- --- 4.7074 4.70104±0.00092 --- 4.69752±0.00216 --- 4.69813±0.00079 4.71766241292582±0.05717192000000 4.70104±0.00092 4.70104±0.00092 4.70104±0.00092 4.6714
TC
(days)
2455004.00915±0.00001 2455669.703585±0.000023 2455004.009119±0.000020 2455004.00923000±0.00002101 --- 2455004.009107±0.000020 2454955.191563±0.000028 2455004.0091193±0.0000281 --- 2455004.00835±0.00002 2455004.009±2.88e-05 2455004.009±2.88e-05 2459770.37773400±0.00187639 2455004.009±2.81e-05 2455004.009±2.81e-05 2455004.009±2.81e-05 2455004.008355±0.000039
ω
(deg)
--- --- --- --- --- --- --- --- ---
182 +97-98
--- --- --- --- --- --- ---
Mp
(M)
137+17-16
--- --- --- ---
138+13-13
--- ---
137+17-14
136.979 +13.030-12.713
--- --- --- --- --- --- ---
Mp
(MJup)
0.432+0.053-0.051
--- --- --- ---
0.433+0.042-0.040
--- ---
0.430+0.053-0.044
0.431 +0.041-0.040
--- --- --- --- --- --- ---
Occ. Depth
(%)
0.00202+0.00083-0.00076
--- --- --- --- --- --- --- --- 0.0031±0.0007 --- --- --- --- --- --- ---
ρ
(g/cm3)
0.11±0.02 --- --- --- ---
0.110+0.013-0.012
--- ---
0.107730+0.009975-0.010773
0.111 +0.011-0.009
--- --- --- --- --- --- ---
Rp
(RJup)
1.754+0.031-0.036
--- --- ---
1.7455+0.0765-0.0724
1.695+0.028-0.032
---
1.528+0.309-0.232
1.706+0.070-0.039
1.695 +0.028-0.032
--- --- 1.81609141907285±0.09748090653774 --- --- --- ---
K
(m/s)
48.2+4.4-4.3
--- --- --- --- 48.3±4.3 --- ---
48.2+4.3-4.4
48.2 +4.4-4.3
--- --- --- --- --- --- ---
Kepler Detection Products (4 File Types, 15 Files)
Kepler Pipeline Data Validation Reports q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler TCERT Reports q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Planet Detection Metrics q1_q17_dr24_stellar q1_q17_dr24_stellar q1_q17_dr25_stellar q1_q17_dr25_stellar
Kepler Detection Products
Kepler Pipeline Data Validation Summaries q1_q12_tce q1_q16_tce q1_q17_dr24_tce q1_q17_dr25_tce
Kepler Object of Interest
KepID 11804465 11804465 11804465 11804465 11804465 11804465 11804465
KOI Name K00020.01 K00020.01 K00020.01 K00020.01 K00020.01 K00020.01 K00020.01
Kepler Name Kepler-12 b Kepler-12 b Kepler-12 b Kepler-12 b Kepler-12 b Kepler-12 b Kepler-12 b
Exoplanet Archive Disposition CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED CONFIRMED
Vetting Status Done Done Done Done Done Done Done
Date of Last Parameter Update 2018-08-16 2017-08-31 2015-09-24 2014-12-18 2014-12-04 2014-01-07 2013-02-12
Disposition Using Kepler Data CANDIDATE CANDIDATE CANDIDATE NOT DISPOSITIONED NOT DISPOSITIONED NOT DISPOSITIONED CANDIDATE
Not Transit-Like False Positive Flag 0 0 0 0 0 --- ---
Stellar Eclipse False Positive Flag 0 0 1 0 0 --- ---
Centroid Offset False Positive Flag 0 0 0 0 0 --- ---
Ephemeris Match Indicates Contamination False Positive Flag 0 0 0 0 0 --- ---
Disposition Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi q1_q6_kepler_candidates
Orbital Period [days] 4.437962934±1.71e-07 4.437962934±1.71e-07 4.43796303±1.67e-07 4.43796303±1.67e-07 4.43796303±1.67e-07 4.43796291±5.8e-07 4.4379629±6e-07
Transit Epoch [BKJD] 171.0091259±2.88e-05 171.0091259±2.88e-05 171.0091193±2.81e-05 171.0091193±2.81e-05 171.0091193±2.81e-05 171.008355±3.9e-05 171.00836±4e-05
Transit Epoch [BJD] 2455004.009±2.88e-05 2455004.009±2.88e-05 2455004.009±2.81e-05 2455004.009±2.81e-05 2455004.009±2.81e-05 2455004.008355±0.000039 2455004.00836±0.00004
Parameters Provenance q1_q17_dr25_sup_koi q1_q17_dr25_koi q1_q17_dr24_koi q1_q16_koi q1_q12_koi q1_q8_koi q1_q6_kepler_candidates
Number of Planets 1 1 1 1 1 1 1
TCE Delivery q1_q17_dr25_tce q1_q17_dr25_tce q1_q17_dr24_tce q1_q16_tce q1_q12_tce --- ---
Link to DV Report kplr011804465-20160209194854_dvr.pdf kplr011804465-20160209194854_dvr.pdf kplr011804465-20141002224145_dvr.pdf kplr011804465-20130815195353_dvr.pdf kplr011804465-20121029204534_dvr.pdf --- ---
RA [decimal degrees] 286.24343999999996 286.24343999999996 286.24343999999996 286.24343999999996 286.24343999999996 286.24343999999996 286.24343999999996
Dec [decimal degrees] 50.040378999999994 50.040378999999994 50.040378999999994 50.040378999999994 50.040378999999994 50.040378999999994 50.040378999999994
Kepler-band [mag] 13.438 13.438 13.438 13.438 13.438 13.438 13.438
g'-band [mag] 13.782 13.782 13.782 13.782 13.782 13.782 13.782
r'-band [mag] 13.374 13.374 13.374 13.374 13.374 13.374 13.374
i'-band [mag] 13.290000000000001 13.290000000000001 13.290000000000001 13.290000000000001 13.290000000000001 13.290000000000001 13.290000000000001
z'-band [mag] 13.274000000000001 13.274000000000001 13.274000000000001 13.274000000000001 13.274000000000001 13.274000000000001 13.274000000000001
J-band [mag] 12.406 12.406 12.406 12.406 12.406 12.406 12.406
H-band [mag] 12.107000000000001 12.107000000000001 12.107000000000001 12.107000000000001 12.107000000000001 12.107000000000001 12.107000000000001
K-band [mag] 12.066 12.066 12.066 12.066 12.066 12.066 12.066
Disposition Score --- 0.761 --- --- --- --- ---
Comment --- NO_COMMENT SIG_SEC_IN_ALT_MODEL_SHIFT---ALT_SEC_COULD_BE_DUE_TO_PLANET --- --- --- ---
Eccentricity --- 0 0 0 0 0 0
Impact Parameter ---
0.069 +0.007-0.05
0 +0.0139-0
0 +0.0139-0
0 +0.0139-0
0.018±0.1 0.02±0.13
Transit Duration [hrs] --- 4.69813±0.00079 4.70104±0.00092 4.70104±0.00092 4.70104±0.00092 4.6714 4.6714
Transit Depth [ppm] --- 16387.6±5.3 16721.1±5.2 16721.1±5.2 16721.1±5.2 16465 16497
Planet-Star Radius Ratio ---
0.116814 +4.4e-05-5.3e05
0.117936 +1.6e-05-2.3e05
0.117936 +1.6e-05-2.3e05
0.117936 +1.6e-05-2.3e05
0.11716±8e-05 0.11716±8e-05
Fitted Stellar Density [g/cm**3] ---
0.50482 +0.00357-0.00068
0.50824 +0.00020-0.00050
0.50824 +0.00020-0.00050
0.50824 +0.00020-0.00050
--- ---
Planetary Fit Type --- LS+MCMC MCMC MCMC MCMC --- ---
Planetary Radius [Earth radii] ---
18.05 +2.92-3.57
18.22 +3.93-3.13
18.22 +3.93-3.13
18.22 +3.93-3.13
17.6±2.5 17.58
Orbit Semi-Major Axis [au] --- .0545 .0545 .0545 .0545 .056 .056
Inclination [deg] --- 89.51 89.95 89.95 89.95 89.95 ---
Equilibrium Temperature [K] --- 1338 1338 1338 1338 1314 1314
Insolation Flux [Earth flux] ---
757.65 +339.17-311.08
757.65 +442.92-279.52
757.65 +442.92-279.52
757.65 +442.92-279.52
--- ---
Planet-Star Distance over Star Radius --- 8.0702±0.0571 8.08834±0.00318 8.08834±0.00318 8.08834±0.00318 8.133±0.064 8.133±0.064
Limb Darkening Model --- Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS Claret (2011 A&A 529 75) ATLAS LS
Limb Darkening Coeff. 4 --- 0.0 0.0 0.0 0.0 -0.061500000000000006 ---
Limb Darkening Coeff. 3 --- 0.0 0.0 0.0 0.0 -0.0313 ---
Limb Darkening Coeff. 2 --- 0.2891 0.2822 0.2822 0.2822 0.37020000000000003 ---
Limb Darkening Coeff. 1 --- 0.3589 0.3684 0.3684 0.3684 0.4567 ---
Maximum Single Event Statistic --- 302.35617 331.12085 --- --- --- ---
Maximum Multiple Event Statistic --- 3302.585 3401.3093000000003 --- --- --- ---
Transit Signal-to-Noise --- 3535.6 3953.1 3953.1 3953.1 4570.5 3287.8
Number of Transits --- 238 238 --- --- --- ---
TCE Planet Number --- 1 1 1 1 --- ---
Quarters --- 11111110111011101000000000000000 11111110111011101000000000000000 --- --- --- ---
Odd-Even Depth Comparision Statistic --- 0.40490000000000004 --- --- --- --- ---
Transit Model --- Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171) Mandel and Agol (2002 ApJ 580 171)
Link to DV Summary --- kplr011804465-001-20160209194854_dvs.pdf kplr011804465-001-20141002224145_dvs.pdf kplr011804465-001-20130826182306_dvs.pdf kplr011804465-001-20121115231752_dvs.pdf --- ---
Stellar Effective Temperature [K] ---
5953 +105-129
5953 +105-123
5953 +105-123
5953.00 +105.00-123.00
6011.00±44.00 6011
Stellar Surface Gravity [log10(cm/s**2)] ---
4.175 +0.168-0.112
4.175 +0.14-0.131
4.175 +0.14-0.131
4.175 +0.140-0.131
4.230±0.100 4.23
Stellar Metallicity [dex] --- 0.08±0.15
0.080 +0.130-0.140
0.080 +0.130-0.140
0.080 +0.130-0.140
--- ---
Stellar Radius [Solar radii] ---
1.415 +0.229-0.28
1.415 +0.305-0.243
1.415 +0.305-0.243
1.4150 +0.3050-0.2430
1.3800±0.1900 1.38
Stellar Mass [Solar mass] ---
1.093 +0.109-0.089
1.093 +0.128-0.091
1.093 +0.128-0.091
1.0930 +0.1280-0.0910
1.1720±0.0610 ---
Stellar Parameter Provenance --- q1_q17_dr25_stellar stellar_q1_q16 stellar_q1_q16 stellar_q1_q16 SME SME
FW Offset Significance [percent] --- 0.018000000000000002 0.0 0.0 0.027 --- ---
FW Source α(OOT) [hrs] --- 19.082895075±0.000000099 19.08289617±0.00000012 19.08289611±0.00000012 19.082895960±0.000000130 --- ---
FW Source δ(OOT) [deg] --- 50.04038486±0.000001 50.0403638±0.0000012 50.0403594±0.0000011 50.04035890±0.00000130 --- ---
FW Source Δα(OOT) [sec] --- -0.0078±0.0034 0.03±0.0041 0.028±0.0042 -0.00020±0.00046 --- ---
FW Source Δδ(OOT) [arcsec] --- 0.0175±0.0036 -0.0584±0.0041 -0.0743±0.0041 -0.00045±0.00031 --- ---
FW Δα(OOT) [sec] --- -5e-05±0.00026 0±0.00023 4e-05±0.00023 3e-06±2.9e-05 --- ---
FW Δδ(OOT) [arcsec] --- 9e-05±0.00039 0.00017±0.00035 0.00019±0.00035 8e-06±2.9e-05 --- ---
PRF ΔαSQ(OOT) [arcsec] --- 0.001±0.067 0.002±0.067 0.003±0.067 0.0042±0.0043 --- ---
PRF ΔδSQ(OOT) [arcsec] --- -0.001±0.067 -0.002±0.067 -0.002±0.067 -0.0017±0.0030 --- ---
PRF ΔθSQ(OOT) [arcsec] --- 0.002±0.067 0.002±0.067 0.004±0.067 0.0046±0.0041 --- ---
PRF ΔαSQ(KIC) [arcsec] --- -0.044±0.072 -0.044±0.076 -0.045±0.075 -0.0440±0.0380 --- ---
PRF ΔδSQ(KIC) [arcsec] --- -0.073±0.068 -0.073±0.068 -0.082±0.069 -0.0920±0.0190 --- ---
PRF ΔθSQ(KIC) [arcsec] --- 0.085±0.07 0.085±0.07 0.094±0.07 0.1020±0.0230 --- ---
Chi-Square --- --- --- --- --- 2.81 2.8000000000000003
Stellar Age [Gyr] --- --- --- --- --- 4.01±0.91 ---
Known Objects
1 Confirmed Planets
1 Kepler Objects of Interest (KOIs)
1 Threshold Crossing Events (TCEs)
1 2MASS Point Source Catalog
Data Files
1 Kepler Time Series
1 SuperWASP Time Series
1 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
External Link
Search
Browse
Download